Q109
X(t) is a stationary process with the power spectral density Sx(f) > 0 for all f. The process is passed through a system shown below. Let SY(f) be the power spectral density of Y(t). Which one of the following statements is correct?
X(t) is a stationary process with the power spectral density Sx(f) > 0 for all f. The process is passed through a system shown below.
Let SY(f) be the power spectral density of Y(t). Which one of the following statements is correct?
Let SY(f) be the power spectral density of Y(t). Which one of the following statements is correct?
A.
SY(f) > 0 for all f
B.
SY(f) = 0 for |f| > 1 KHz
C.
SY(f) = 0 for f = nf0, f0 = 2 kHz, n any integer
D.
SY(f) = 0 for f = (2n + 1)f0, f0 = 1 kHz, n any integer
AnswerAnswer: Option D
Solution
Answer: Option D
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